Specialized Future Shock Booster Spring Pack (13lb/25lb/40lb)
Specialized Future Shock Booster Spring Pack (13lb/25lb/40lb), This part is a set of future shock booster springs (13Lb/25Lb/40Lb) designed for use with the Specialized future shock system. Compatibility: Specialized Diverge Specialized Roubaix Specialized Sirrus Men Specialized Sirrus Women